NEVER WORN Jenny Slippers in Stone color. Genuine Sheepskin! Description Shepherd Jenny is a pair of soft and warm slip-on sheepskin slippers. They are made from soft wool both on the top and on the inside of the slippers. They have decorative binding around the sole and the outer sole is made from EVA. Explanation of EVA and its benefits EVA is an abbreviation for Ethylene Vinyl Acetate, which is a good material for shock absorption. This, in combination with its lightweight, makes it one of the market’s most used materials for outer soles.